SSPM-based high-speed infrared photometer for astronomy

Stephen S. Eikenberry; Giovanni G. Fazio; Scott M. Ransom

doi:10.1117/12.211258

6 June 1995 SSPM-based high-speed infrared photometer for astronomy

Stephen S. Eikenberry, Giovanni G. Fazio, Scott M. Ransom

Author Affiliations +

Proceedings Volume 2475, Infrared Detectors and Instrumentation for Astronomy; (1995) https://doi.org/10.1117/12.211258
Event: SPIE's 1995 Symposium on OE/Aerospace Sensing and Dual Use Photonics, 1995, Orlando, FL, United States

Abstract

We describe the design, operation, and performance of a new high-speed infrared photometer using the solid-state photomultiplier (SSPM) detector. The SSPM was developed by Rockwell International Science Center and has single-photon counting capability over the 0.4 - 28 micron wavelength range, intrinsic time response of order 1 ns, and low detector noise (Petroff, et al., 1987). We have operated a 200 X 200-micron back-illuminated SSPM in a liquid-helium cooled dewar with a room-temperature transimpedance amplifier output. Single photon pulses can be easily distinguished above the amplifier noise. The individual photon pulses are binned at a selectable time resolution ranging from 5 microsecond(s) to 64 ms, and then written to Exabyte tape. In the first astronomical application of such a device, we have made observations of the Crab Nebula pulsar and Her X-1 at near-infrared wavelengths (J-, H- , and K-bands), and we present the instrument sensitivities established by these observations. We discuss other astronomical observations which are either planned or currently underway. Finally, we present design specifications and predicted performances for a second-generation SSPM high-speed infrared photometer.

Citation Download Citation

Stephen S. Eikenberry, Giovanni G. Fazio, and Scott M. Ransom "SSPM-based high-speed infrared photometer for astronomy", Proc. SPIE 2475, Infrared Detectors and Instrumentation for Astronomy, (6 June 1995); https://doi.org/10.1117/12.211258

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